ArchifPRD_08_065TeitlPRD_08_065 - Paul R. Davis CollectionLefelBatchDisgrifiadDigital photographs of Trevithick's Tunnel, produced by Paul Davis in 2020Cyfrwng2 .jpg files; 25.3 MBDelweddaun
Archif6482437TeitlNMR Site FilesLefelBatchDisgrifiadBlack and white photo survey showing Plymouth Ironworks Railway Tunnel, taken by Iain Wright, 23rd January 1992.Cyfrwng1 photo. Photo.Delweddaun
Archif6511971TeitlCSAM_JC_2006_24 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Glamorgan carried out by Joseph Cliff, 2006-2007.CyfrwngTwo sheets. Photo.Delweddaun
ArchifPRD_08_065_002TeitlPRD_08_065_002 - Paul R. Davis CollectionLefelItemDisgrifiadDigital photograph showing external view of Trevithick's Tunnel. Produced by Paul Davis in 2020Cyfrwng1 .jpg file. PhotographicDelweddauy
Archif6474496TeitlAP_2012_4888 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Merthyr Tramroad Tunnel. Taken by Toby Driver on 28/11/2012.CyfrwngPhoto.Delweddauy
ArchifPRD_08_065_001TeitlPRD_08_065_001 - Paul R. Davis CollectionLefelItemDisgrifiadDigital photograph showing mural inside Trevithick's Tunnel. Produced by Paul Davis in 2020Cyfrwng1 .jpg file. PhotographicDelweddauy
Archif6482438Teitl910315_5 - NMR Site FilesLefelItemDisgrifiadView of arched entrance.CyfrwngPhoto.Delweddaun
